Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
02/2014
02/19/2014EP2698892A1 DC overcurrent protection device
02/19/2014EP2698615A1 Electric motor winding temperature detection method and device as well as electric motor thermal protection method and device
02/19/2014EP2697880A1 Method for generating a fault signal
02/19/2014EP2697878A1 Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network
02/19/2014CN203445819U Intelligent energy saving motor for drag system of oil pumping unit of production well
02/19/2014CN203445656U Charging circuit and charger with the charging circuit
02/19/2014CN203445640U Independent photovoltaic system
02/19/2014CN203445607U Mine power grid electricity leakage protection device
02/19/2014CN203445606U Direct current traction power supply system
02/19/2014CN203445605U Protector for closing coil of breaker
02/19/2014CN203445604U PFC (power factor correction) circuit and PFC frequency converter
02/19/2014CN203445603U High accuracy overload protection three-phase power module
02/19/2014CN203445602U Flyback overvoltage protection circuit
02/19/2014CN203445601U Control circuit and switch converter
02/19/2014CN203445600U Control circuit and integrated circuit for resonant converter
02/19/2014CN203445599U 过载保护器 Overload protection
02/19/2014CN203445598U Overload protection circuit of refrigerating unit
02/19/2014CN203445597U Zero power protector
02/19/2014CN203445596U 充电接口保护电路及充电机 Charging interface protection circuit and charger
02/19/2014CN203445594U Novel explosion-proof type low-voltage selective electric leakage protector used for mining
02/19/2014CN203445440U Novel mining flame-proof and intrinsic-safety type load center
02/19/2014CN203444023U Three-phase AC power supply output detection apparatus
02/19/2014CN103597687A Fast breaker failure detection for HVDC circuit breakers
02/19/2014CN103597559A Fluid insulated high voltage coil
02/19/2014CN103595075A Novel grid-connection control system for small gas generator set
02/19/2014CN103595056A Intelligent capacitor
02/19/2014CN103595032A Method for locking zero-sequence directional elements applied to line with no transposition and double circuits on same tower
02/19/2014CN103595031A Electronic device for disconnection warning of control cable and used for mutual transfer inter-tripping
02/19/2014CN103595030A Method for distribution network automation feeder terminal protection control based on current criterions
02/19/2014CN103595029A Fault self-adaptive ground connecting processing system and method for distribution network power grid
02/19/2014CN103595028A Anti-overheating switch adjustment modular circuit
02/19/2014CN103595027A Method for preventing power output currents from flowing backwards
02/19/2014CN103595026A Inverter used for high-frequency high-voltage power supply
02/19/2014CN103595025A Alternating current side wiring structure of direct current transmission system of power supply converter and control method thereof
02/19/2014CN103595024A Protective circuit of power supplier
02/19/2014CN103595023A Default-phase-preventing, overvoltage-preventing and interference-preventing automatic protector of motor and protection method thereof
02/19/2014CN103595022A Relay protection control method for 35kV substation transformer with series reactor in 500kV substation
02/19/2014CN102593799B Relay protection circuit
02/19/2014CN102222807B 二次电池 Secondary battery
02/19/2014CN102136721B Multi-object optimized power supply recovery reasoning and searching method
02/19/2014CN102084569B Method and system for managing a power grid
02/19/2014CN101958536B Distribution network failure isolation and quick power service restoration decision support system
02/19/2014CN101753005B Protective device and method of power source convertor
02/18/2014US8655500 Method and system for reducing feeder circuit loss using demand response
02/18/2014US8655499 Controlling virtual power circuits
02/18/2014US8654485 Electronic ballast with protected analog dimming control interface
02/18/2014US8654484 Continuous power protection
02/18/2014US8654483 Power system having voltage-based monitoring for over current protection
02/18/2014CA2463779C Control and protection module of an interrupter apparatus
02/15/2014CA2822942A1 Alternative power converter system
02/13/2014WO2014024243A1 Power conversion device
02/13/2014US20140043873 Method In A Voltage Source Chain-Link Converter, Computer Programs And Computer Program Products
02/13/2014US20140042829 Device, method, and system for integrated battery power control
02/13/2014DE19655234B4 Beurteilungsverfahren einer Nutzlebensdauer einer Batterieeinheit und Vorrichtung dazu Assessment method a useful life of a battery unit and apparatus therefor
02/13/2014DE102012214364A1 Kontrollvorrichtung sowie Verfahren zur Kontrolle der Funktionstüchtigkeit eines Speichers elektrischer Energie einer Batterie sowie Entladevorrichtung, Batteriesystem und Kraftfahrzeug Control apparatus and method for controlling the functioning of a memory electric energy of a battery and discharging device, battery system and motor vehicle
02/13/2014DE102012214115A1 Device for balancing charge between battery cells used in e.g. vehicle e.g. hybrid car, has current path with separating device that is opened, when compensation current during load input between cells falls below threshold value
02/13/2014DE102012015782A1 Method for operating rechargeable battery of motor car, involves electrically separating power supply unit from onboard network, and again connecting power supply unit with onboard network to terminate over-discharging protective function
02/12/2014EP2696493A1 Power converter controller
02/12/2014EP2696461A2 Electromechanical apparatus and electrical switching apparatus employing electronic circuit to condition motor input power
02/12/2014EP2695275A1 Drive chain comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
02/12/2014EP2695274A1 Drive chain comprising a doubly-fed electric machine and a band-stop filter connected between an inverter and the rotor of the machine
02/12/2014EP2695267A1 Fast breaker failure detection for hvdc circuit breakers
02/12/2014CN203434895U Electromagnetic starter
02/12/2014CN203434856U Power-switching circuit and vehicle power supply
02/12/2014CN203434839U Internal-radiation ring type static speed-adjusting permanent magnetic coupling
02/12/2014CN203434838U Internal-radiation ring type static speed-adjusting protective permanent magnetic coupling
02/12/2014CN203434837U Internal-radiation ring type permanent magnetic coupling
02/12/2014CN203434742U 矿井不间断供电系统 Mine uninterruptible power supply system
02/12/2014CN203434718U Charging-discharging protection circuit having chargeable and remotely controllable functions
02/12/2014CN203434707U Charging circuit and charger provided with same
02/12/2014CN203434705U Lithium battery charging protection circuit
02/12/2014CN203434634U Intelligent thyristor power module
02/12/2014CN203434624U 20kV flexible grounding control device
02/12/2014CN203434620U Novel overvoltage trigger
02/12/2014CN203434611U Engineering van relay protection device
02/12/2014CN203434610U Safety protection device of vacuum on-load tap-changer
02/12/2014CN203434609U Current protection circuit of servo driver
02/12/2014CN203434608U Protective sleeve for mobile terminal
02/12/2014CN203434607U Lithium battery pack charging protection circuit
02/12/2014CN203434606U Battery pack charging protective device
02/12/2014CN203434605U Overcharge protection device
02/12/2014CN203434604U Intelligent monitoring system for capacitor complete device
02/12/2014CN203434603U Uninterrupted power source control module
02/12/2014CN203434602U Phase-shifted full-bridge periodic self-protection circuit
02/12/2014CN203434601U Phase shift full bridge over-current self-protection circuit based on CPLD
02/12/2014CN203434600U Phase-shifted full-bridge driving signal control circuit
02/12/2014CN203434599U Three-phase power supply open-phase protective device
02/12/2014CN203434598U Mine fan current protection circuit
02/12/2014CN203434597U Motor overheating delay protection self-lock device
02/12/2014CN203434596U Power electrical control switch
02/12/2014CN203434595U Dual power supply manual switch protection circuit
02/12/2014CN203434594U Motor overheating delay protection device
02/12/2014CN203434593U Neutral-point gap ground protection apparatus of transformer
02/12/2014CN203434592U Transformer fan control device and transformer fan control system
02/12/2014CN203434591U Security-isolation insulating power-off device
02/12/2014CN103580565A Direct current motor driving circuit with radiation suppressing and motor protecting functions
02/12/2014CN103580521A Multi-level voltage source current converter and control method thereof
02/12/2014CN103580080A Storage battery charging protection method and device
02/12/2014CN103580010A Area protection system and fault identification method based on distance protection fitting factor
02/12/2014CN103580009A Self-adaptive overload recognition system based on composite phasor plane and method thereof
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